From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932285AbVLPScL (ORCPT ); Fri, 16 Dec 2005 13:32:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932363AbVLPScL (ORCPT ); Fri, 16 Dec 2005 13:32:11 -0500 Received: from smtp103.sbc.mail.mud.yahoo.com ([68.142.198.202]:51121 "HELO smtp103.sbc.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S932285AbVLPScK (ORCPT ); Fri, 16 Dec 2005 13:32:10 -0500 From: David Brownell To: spi-devel-general@lists.sourceforge.net Subject: Re: [spi-devel-general] Re: [PATCH/RFC] SPI: add DMAUNSAFE analog Date: Fri, 16 Dec 2005 10:32:05 -0800 User-Agent: KMail/1.7.1 Cc: Greg KH , Vitaly Wool , linux-kernel@vger.kernel.org, dpervushin@gmail.com, akpm@osdl.org, basicmark@yahoo.com, komal_shah802003@yahoo.com, stephen@streetfiresound.com, Joachim_Jaeger@digi.com References: <20051212182026.4e393d5a.vwool@ru.mvista.com> <43A27CDA.4020304@ru.mvista.com> <20051216173406.GC2122@kroah.com> In-Reply-To: <20051216173406.GC2122@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200512161032.06144.david-b@pacbell.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > Oh BTW... I'm experiencing constant problems with root filesystem over > > NFS over usbnet on my target As you clarified off-line ... it's "pegasus", not "usbnet", which is giving you problems. That's entirely different code; although "pegasus" could be modified to run on top of the core that "usbnet" provides. The problems I've seen with "pegasus" have more to do with wierd chip behaviors (and weak fault recovery logic) than with anything DMA-related. - Dave